Who better to play Dylan Thomas than a born and bred Welshman.
Celyn tells of how filming in Swansea played a huge part in the film says it has a 'big acting career ahead of it!'
Celyn Jones plays the part of the hell-raising idol to John Brinnin, played by Elijah Wood, in the new film Set Fire To The Stars.
We caught up with him at the UK premiere of the movie.
This week marks 100 years since the birth of welsh poet and writer Dylan Thomas, whose famous works include; Under Milk Wood and Do Not Go Gentle Into That Good Night.